from datetime import datetime, date

'''测试假发'''


def test_plus():
    print([1, 2]*2)


if __name__ == '__main__':
    int_a = 12
    str_b = 'test12'
    bytes_c = bytes(str_b, encoding='utf-8')
    print(str(bytes_c, encoding='utf-8'))

    print(isinstance(bytes_c, bytes))
    print(isinstance(int_a, datetime))
    print(isinstance(int_a, date))
    test_plus()
